test: use eslint to fix var->const/let

Manually fix issues that eslint --fix couldn't do automatically.

PR-URL: https://github.com/nodejs/node/pull/10685
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>

1 files changed, 5 insertions, 5 deletions

diff --git a/test/parallel/test-http-client-default-headers-exist.js b/test/parallel/test-http-client-default-headers-exist.js
index 3a1f528193..2271944773 100644
--- a/test/parallel/test-http-client-default-headers-exist.js
+++ b/test/parallel/test-http-client-default-headers-exist.js
@@ -3,7 +3,7 @@ require('../common');
 const assert = require('assert');
 const http = require('http');
 
-var expectedHeaders = {
+const expectedHeaders = {
   'DELETE': ['host', 'connection'],
   'GET': ['host', 'connection'],
   'HEAD': ['host', 'connection'],
@@ -12,18 +12,18 @@ var expectedHeaders = {
   'PUT': ['host', 'connection', 'content-length']
 };
 
-var expectedMethods = Object.keys(expectedHeaders);
+const expectedMethods = Object.keys(expectedHeaders);
 
-var requestCount = 0;
+let requestCount = 0;
 
-var server = http.createServer(function(req, res) {
+const server = http.createServer(function(req, res) {
   requestCount++;
   res.end();
 
   assert(expectedHeaders.hasOwnProperty(req.method),
          req.method + ' was an unexpected method');
 
-  var requestHeaders = Object.keys(req.headers);
+  const requestHeaders = Object.keys(req.headers);
   requestHeaders.forEach(function(header) {
     assert.notStrictEqual(
       expectedHeaders[req.method].indexOf(header.toLowerCase()),